Senior Data Architect: Real-Time Analytics & AI

Ookla; Spain; On-site; EUR 80,000 - 95,000; Full time

Job summary

Ookla, a global leader in connectivity intelligence, seeks a Data Architect to evolve the data platform powering Speedtest and other data products. You will design scalable models, storage, and pipelines for real-time analytics, AI/ML integration, and compliance across international contexts.

You will collaborate across data science, product engineering, and stakeholders to translate business strategy into technical vision, mentoring engineers while upholding architectural integrity.

Qualifications

• Extensive experience in software and data architectures, with a focus on designing large-scale data lakehouses.
• Expert level fluency in programming (Python, Go or Java) and strong working knowledge of SQL, databases (MySQL, PostgreSQL, Redshift, Iceberg, Athena).
• Experience with streaming and event-driven architectures to process high volume data using tools like Spark.
• Strong understanding of data modeling and modern data architectures like data lakehouses.
• Experience with AI/ML is nice to have.
• Proven ability to balance immediate delivery with long-term architectural integrity while managing technical debt.
• Strong verbal and written communication skills.
• 6+ years of relevant data engineering experience.
• Background check is required.

Responsibilities

• Creating and evolving architectural roadmaps for the data platform, ensuring alignment with product goals and long-term technical scalability.
• Turn product requirements to viable and scalable data architectures and implementations in a high data volume environment.
• Acting as a bridge between data science, product engineering, and stakeholders to translate business strategy into technical vision.
• Establish and follow data governance frameworks, standards, and best practices to ensure data quality, security, and compliance.
• Raising the technical bar by mentoring senior engineers and architects on complex data modeling and distributed system challenges.

Skills

Data architectures

Python/Go/Java

SQL & Databases

Streaming architectures

Data modeling

AI/ML awareness

Communication skills

6+ years experience

Big data

Tools

Spark

MySQL

PostgreSQL

Redshift

Iceberg

Athena

Job description

Ookla, a global leader in connectivity intelligence, seeks a Data Architect to evolve the data platform powering Speedtest and other data products. You will design scalable models, storage, and pipelines for real-time analytics, AI/ML integration, and compliance across international contexts.

You will collaborate across data science, product engineering, and stakeholders to translate business strategy into technical vision, mentoring engineers while upholding architectural integrity.